Articles tagged with Antibiotic Resistance
Researchers from the University of Basel challenged the idea that persisters are responsible for antibiotic ineffectiveness. They found that nutrient starvation increases Salmonella resilience, making antibiotics less effective. This discovery could lead to more effective therapies against difficult-to-treat infections.
A new genomic toolkit called Sphae has been developed to quickly assess the suitability of phage therapy for treating antibiotic-resistant bacterial strains. The platform can analyze vast datasets in under 10 minutes, prioritizing safety and flagging genes associated with toxins or undesirable traits.
Carbapenem-resistant Enterobacterales, including K. pneumoniae and E. coli, pose a significant risk to EU/EEA patients and healthcare systems. The epidemiological situation has deteriorated since 2019, with high-risk lineages spreading in hospitals.
Recent studies have found that new antibiotics are prone to rapid development of resistance, even before they are widely used. This raises concerns about the effectiveness of these treatments in the long run. To address this issue, researchers call for a shift in antibiotic development prioritizing novel modes of action and responsible...
Researchers identified a unique genetic signature that can predict bacterial antibiotic resistance. The finding could help develop precision-based treatments and reduce overuse of antibiotics.
Researchers discovered a mechanism involving protein aggregation that allows bacteria to enter a dormant state, making them resistant to antibiotics. The study also found that protein aggregates can promote bacterial survival in stressful environments.
A new compound, V-161, has been discovered to effectively inhibit the growth of vancomycin-resistant Enterococci (VRE) by targeting a crucial enzyme. The study reveals that V-161 not only disrupts the enzyme function but also reduces VRE colonization in the mouse small intestine.
Researchers have discovered a complex mechanism that allows bacteria to build resistance to antibiotics, involving a KorB-KorA regulatory system. This finding offers a fresh insight into long-range gene silencing in bacteria and provides a potential target for novel therapeutics.
Researchers found that short-course antibiotics can be as effective as traditional longer treatments in preventing death and recurrence of pneumonia. This approach offers significant value for healthcare systems by reducing hospital expenditure while maintaining excellent patient outcomes.
Researchers at UVA have developed computer models to target specific bacteria in specific parts of the body, reducing the chance of antibiotic resistance. This approach could lead to more effective treatments and reduce the need for broad-spectrum antibiotics.
A large UK trial found that adding procalcitonin (PCT) to routine care did not reduce IV antibiotic use in hospitalized children. The study, part of the BATCH trial, enrolled nearly 2,000 children and tested PCT's effectiveness in guiding treatment decisions.
Researchers found that a person's microbiome signature can predict the likelihood of Enterobacteriaceae colonization. Fiber-rich foods support the growth of beneficial Faecalibacterium, which produce short-chain fatty acids protecting against infection.
The University of Arizona College of Medicine – Tucson laboratory is working on discovering new ways to neutralize harmful microorganisms using copper. The researchers aim to understand how copper kills bacteria by flooding their environment with excess copper, tricking them into building essential proteins with the wrong materials.
A groundbreaking UK study found that using procalcitonin (PCT) to guide treatment decisions did not reduce antibiotic duration in hospitalized children. The PCT test was safe but costlier than standard methods, and healthcare teams faced challenges integrating it into their decision-making processes.
Researchers at Salk Institute discovered plant cells enter an immune state to fight pathogens, using Primary IMmunE Responder (PRIMER) cells as hubs for the immune response. These cells are surrounded by bystander cells that enable long-distance cell-to-cell communication.
Researchers developed an AI tool, AMR-Policy GPT, to bridge knowledge gaps in antimicrobial resistance policy development. The tool provides well-referenced information for policymakers, increasing global knowledge-sharing and contextually relevant data.
A recent study found that multidrug-resistant Klebsiella pneumoniae exhibits distinct characteristics in Saudi Arabia, with molecular factors contributing to increased virulence and severity. The researchers highlight the need for tailored surveillance programs and new antimicrobial agents to address this local threat.
The rollout of doxycycline as a prevention strategy for sexually transmitted infections (STIs) has shown promise in reducing syphilis and chlamydia rates, but its effectiveness on gonorrhea is limited. Close monitoring for antimicrobial resistance is necessary to ensure the long-term efficacy of doxy PEP.
A new study reveals that anti-defense genes near the DNA entry point enable plasmids to overcome CRISPR system, promoting genetic transfer between bacteria. This discovery could pave the way for developing tools to address antibiotic resistance and genetic manipulation methods.
Researchers found that soil contains antibiotic resistance genes that can be transmitted to humans, making it a pressing public health threat. The study reveals how these genes spread through the environment and highlights the importance of understanding soil ecosystems to control antibiotic resistance.
Researchers found unique signatures in household plumbing microbiomes, with wide variation from house to house. They also detected antibiotic resistance genes, highlighting the need for better monitoring and prevention strategies.
A recent study found a significant increase in severe multidrug-resistant Shigella sonnei infections among people experiencing homelessness (PEH) in Vancouver. The strain, genotype 3.6.1.2, is resistant to nearly all antibiotics, leading to higher hospitalization rates and more severe outcomes.
Researchers at IBEC are developing Phagocytic Synthetic Cells (PSCs) to target antibiotic-resistant pathogens. The innovative cells use programmable membranes to eliminate harmful bacteria, offering a potential solution to the growing antimicrobial resistance crisis.
Researchers found that bacteria like E. coli assemble new ribosomes with altered tags, making them more resistant to antibiotics streptomycin and kasugamycin. This novel mechanism of antibiotic resistance could have significant implications for the fight against global antimicrobial resistance.
Researchers developed an artificial intelligence model that selects the best phage cocktail for a given patient based on their genome. The model was tested on a new collection of E. coli strains responsible for pneumonia and showed high success rates.
Researchers found pandrug-resistant Klebsiella pneumoniae in Ukrainian war victims, showing high virulence and rapid spread. The bacteria's ability to cause disease remains despite antibiotic resistance.
Antimicrobial resistance is a growing threat in Detroit, requiring immediate attention from the community. Health experts recommend educating oneself about responsible antibiotic use and adopting practices such as hand hygiene and vaccination.
Researchers at the University of Liverpool used AI to develop a personalised method for treating urinary tract infections, improving accuracy and reducing antibiotic resistance. The new approach uses real-time data to target specific bacterial infections, making antibiotics more effective.
Two studies found that multidrug-resistant Enterobacterales, particularly Escherichia coli ST131 and Providencia stuartii NDM-1, are spreading in healthcare and community settings across Europe. The emergence of these resistant bacteria poses a significant threat to carbapenem treatment effectiveness.
Researchers have demonstrated a potential antibacterial treatment from a modified darobactin against infections caused by bacteria such as E. coli and Acinetobacter baumannii, which are known to develop drug resistance. The compound D22 showed efficacy in animal trials, highlighting its promise for further development.
A study from Umea University reveals that nanoplastics can absorb and accumulate antibiotics, reducing their targeted effect and risking the emergence of antibiotic-resistant bacteria. The researchers found a strong bond between nylon nanoplastics and tetracycline, a common broad-spectrum antibiotic.
A new study reveals dramatic changes to gut and mouth bacteria in people with chronic liver disease, correlating with increased antibiotic resistance and poor clinical outcomes. The findings suggest a need for personalized microbiome-based treatments and rapid diagnosis of infections to improve patient care.
Antibiotic consumption in the EU increased by 1% between 2019 and 2023, moving further away from the 2030 target of a 20% reduction. Despite significant reductions in methicillin-resistant Staphylococcus aureus bloodstream infections, carbapenem-resistant Klebsiella pneumoniae bloodstream infections worsened, with an increase in incide...
Scientists have discovered a weakness in antibiotic-resistant bacteria that can be exploited to stop the spread of this public health crisis. By understanding the link between magnesium limitation and ribosome variants, researchers may develop novel drug-free approaches to combat antibiotic resistance.
Researchers found that a chlorine-cocoa butter mixture can effectively treat diseased corals, reducing tissue loss and environmental harm. The alternative approach offers a cheaper, biodegradable solution to combat antibiotic-resistant bacteria.
The Qatar Foundation's WISH 2024 Summit focused on global health challenges in times of conflict, highlighting the need for innovative solutions to ensure equitable access to healthcare. Key discussions centered around protecting healthcare personnel and infrastructure during armed conflicts and addressing antimicrobial resistance.
World health leaders converge on QF's WISH 2024 to stress the gravity of antimicrobial resistance, highlighting global actions needed to preserve antibiotic efficacy. Effective strategies and collaborative efforts are crucial to addressing this pressing issue and safeguarding public health.
A $3.96 million grant will support the development of a monitoring device and data-processing algorithm to guide combination therapy design against multidrug-resistant bacteria. The goal is to overcome bacterial defenses and combat the emergence of resistance.
Researchers have uncovered why a relatively new antibiotic for tuberculosis works against multidrug-resistant strains by identifying deficiencies in a critical enzyme. This discovery could lead to improved treatments and drug development strategies, potentially allowing for lower doses or shorter treatment times.
The winners of the Applied Microbiology International Horizon Awards 2024 have been named, including the One Health Microbiome Center at Penn State and researchers Dr. François Thomas and Dr. Helen Onyeaka.
The partnership aims to co-develop innovative technologies for enhanced health and economic outcomes. Key findings include the need for collaborative research to counter emerging challenges presented by tropical ID, and inform pandemic preparedness strategies.
A multidrug-resistant strain of Klebsiella pneumoniae has been detected in Northeast Brazil, with the bacterium being resistant to all available antibiotics. The strain had previously been detected in the US and can potentially spread globally.
Researchers at WVU are developing a hybrid of silver and carbon nanotubes to reduce antibiotic-resistant infections in open bone fractures. The study aims to create a safe and effective antimicrobial material that can be used on various medical products.
Researchers found that HNL Dimer levels decrease rapidly within a day of successful antibiotic treatment, offering a time-saving advantage over traditional biomarkers. This study confirms the previous promising results and provides valuable insights for early diagnosis and treatment of sepsis.
A new strain of antibiotic-resistant bacteria, ST164, has been spreading widely across Asia, posing significant challenges to global public health. Researchers discovered that 80.9% of A. baumannii bacteria found in patients were CRAB, with ST164 accounting for 40.2% of samples.
Research from an interdisciplinary team at Virginia Tech has shown that sewage surveillance is more efficient and comprehensive than testing individuals in detecting antimicrobial resistance. The study revealed significant correlations between antibiotic resistance genes and socio-economic factors, highlighting the need to address thes...
Researchers developed AI to predict bloodstream infections and antimicrobial resistance in ICU patients, providing same-day assessments. This technology is cost-effective and faster than current methods, enabling quicker decision-making on antibiotic use.
Researchers have found that MRSA has a double defence mechanism against antibiotics, involving an alternative division mechanism that allows it to replicate in the presence of antibiotics. This new insight offers hope in treating the life-threatening superbug and other infectious diseases. Understanding this process is crucial for deve...
The project aims to reduce inappropriate antibiotic prescribing rates for children with acute respiratory tract infections, linked to adverse health events and antibiotic resistance. The program will provide tools and education to support providers in using narrow-spectrum antibiotics only when necessary.
A recent study revealed that nanoplastic particles impair antibiotic effects and promote bacterial resistance. The research team found that plastics like nylon bind strongly to antibiotics, increasing the risk of resistance.
Researchers at IOCB Prague have discovered the HelD protein's role in protecting bacterial RNA polymerase from antibiotic effects. The protein not only frees the enzyme but also ensures its recycling, allowing bacteria to multiply again.
Doctors at Mayo Clinic used a new catheter-based approach to draw out resistant pockets of infection in the heart without surgery. Over 90% of participants had their infection cleared, with lower in-hospital mortality compared to those whose infections remained.
A new study from Chalmers University of Technology presents a technology that can destroy bacteria on implants using gold nanorods and near-infrared light. The method heats up the gold rods, killing bacteria without damaging surrounding tissue.
Researchers found that human histones have antimicrobial activity against bacteria, including Pseudomonas aeruginosa biofilms, reducing bacterial mass by up to 70% and survival time in infected larvae by 50%. The study suggests using histones or parts of these proteins as a promising alternative to combat acute and chronic infections.
The study found that P. aeruginosa adapts to the lung's mucus by relying on sugars and lactate, but also needs to synthesize essential nutrients through metabolic independence. Biofilm formation imposes a metabolic burden, slowing down the bacteria's ability to spread, while disrupting biofilms makes them more vulnerable to antibiotics.
Researchers designed a skin patch that uses imperceptible electric currents to control microbes, stopping 99% of biofilm formation in bacteria. The device, called Bioelectronic Localized Antimicrobial Stimulation Therapy, could lead to a wearable patch with a wireless circuit to control infections without drugs.
Researchers at Aarhus University have decoded part of the bacterial defense mechanism against antibiotics, providing a crucial step towards treating resistant MRSA infections. Understanding the molecular composition of the biofilm-forming protein PSMα1 could lead to new strategies and treatments to prevent biofilm formation.
A new study reveals widespread resistance of Pseudomonas aeruginosa to commonly used cleaning agents, including quaternary ammonium compounds. The researchers identify biocides that work well against the pathogen, highlighting the need for revised sanitation protocols in hospitals and homes.
Researchers developed a nanomedicine that attacks bacteria at the molecular level, reducing antibiotic resistance and side effects. The technology releases medication only when required, ensuring patients take exact amounts to fight infections.
A new study has found that rifaximin, an antibiotic commonly prescribed for liver disease patients, is driving the emergence of a deadly superbug. The antibiotic triggers specific changes in bacteria that make them resistant to last-resort antibiotics like daptomycin.